Internal Hex, Internal Torx, External Hex, 6-Point
4 mm, 9/16 ", 1/4 ", 9 mm, 1 "
2-1/2, 3/4, 1-1/2, 3/8, 1
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
30 mm, 58 mm, 4-3/4 in, 2-7/16 in, 13 mm
8-Point, 4-Point, External Torx, 7-Point, 12-Point
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